Building ventilator construction



MarcH 25 1924. 1,487,767

J. SYLVAN BUILDING VENTILATOR CONSTRUCTION Filed April 5, 1922 2 Sheets-Sheet 1 March 25 1924.

- 1,487,767 J. SYLVAN BUILDING VENTILATOR CONSTRUCTION Filed April I5, 1922 2 Sheets-Sheet E Patented Mar. 25, 1924.

.UETED TES JOSEPH SYLVAN, OF CICERO, ILLINOIS PATENT BUILDING VENTILATOB, CONSTRUCTION.

Application filed April 3,

T 0 all whom it may concern: 1

Be it known that I, JOSEPH SYLVAN, a citizen of theUnited States, and a resident of Cicero, in the county of Cook and State of Illinois, have invented certain new and use fnl Improvements in Building Ventilator Construction; and I do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawings, and to the letters of reference marked thereon, which form a part of this specification.

This invention relates to improvements in building ventilator construction and consists of the matters hereinafter described and more particularly pointed out in the appended claims.

One of the objects of the invention is to embody in the window frame or like part of a building, a ventilation passageway, which is normally closed off from the outside atmosphere but which by a slight movement of the window sashmay be brought into communication with the outside atmos phere to permit the entrance of fresh air therethrough into the interior of the room.

Another object of the invention is to so construct said passageway that the incoming air is not only deflected upwardly toward the ceiling of the room, but dust or rain is excluded from entering with the incoming air.

These objects of the invention as well as the many advantages thereof will more fully appear as I proceed with my specification.

In th drawings v Figure 1 is a view in front elevation of a building window embodying my invention as viewed from the inside of a room;

Figure 2 is a horizontal sectional view through the same, on an enlarged scale, taken on the line 22 of Figure 1;

Figure 3 is a vertical detail sectional View on an enlarged scale, taken on the line 33 of Figure 2;

Figure 4 is a view similar to that shown in Fig. 1, illustrating a modified form of my invention; v

Figure 5 is a horizontal sectional view through Fig. 4, taken on the line 5-5 thereof;

Figure 6 is a vertical detail sectional view on an enlarged scale, taken on the line 6-6 of Fig. 5.

Referring now in detailto that embodiment of the invention illustrated in Figs. 1

1922, Serial No. 549,055.

Glass window panes 20 are mounted in said sash 15 and 16, in the usual manner.

Thesash members 15 and 16 are pivoted in theframe, to swing in a horizontal plane about top and bottom pins 2122 respec tively, fixed to the sash at the top and bottom ends of the outer side bars 19, as shown in dotted lines in Fig. 1, said pins coacting with suitable bearings in the lintel and sill. If so desired, the usual hinges may be substituted for said pins. I

The intermediate upright member orv mullion 14 comprises inner and outer spaced bars 2324, and the outer bar includes lateral flanges 25, providing stops against which the inner bars 18 of the window sash 15 and 16 engage when said sash are in their fully clo-sed positions as shown in Fig. 2.- The inner bar 23 is made of such width that the edges of the sash bars 18 will substantially engage the edgesof said inner bar, when said sash are swung inwardly; but said sash may be swung past said edges into a full open position, in the manner of casement sash, wherein they will extend at right angle to the full line position shown in Fig. 1. I V It is apparent that the space between the inner and outer bars of the mullion provides a passageway which, when the sash are fully closed, is shut off from communication with the outside atmosphere, but when one or the other sash is swung inwardly to engage the associated edge of the inner bar 23, then the associated side of the space between said mullion bars, is opened to the atmosphere so that air may pass in through said space into the room, the open sash acting to deflect or divert such. air into and through said space or passageway. I

In order toprevent a direct draft through said space or passageway and to prevent any dust or rain from blowing in through said space or passageway, I provide therein a plurality of louvres which are supported at their ends in any'suitable manner upon the inner faces of the bars 23-2i. As shown herein, said louvres are in the form of vertically spaced pairs of plates 26 which extend upwardly and outwardly in opposite inclined planes, with the inner bottom edges of one pair of plates spaced a short distance apart as at 27. Said bottom edges are arranged in a horizontal the top inturned edges or flanges 28 of the n xt pair of plates below. Such air as enters one side or end of the passageway is directed by said louvre plates, first downwardly and then upwardly, the inturned flanges facing the incoming air and catching the dust. When the draft or moving air subsides, the dust particles will slide down the louvre plates and pass through the openings 27 between the bottom edges of each pair of plates to accumulate at the bottom of the louvres, from where they may be readily removed.

In Figs. 4 to 6 inclusive I have illustrated a window embodying a modified form of my invention. In Fig. 4, 11 indicates the sill, 12 the lintel, 13 the upright side members or jambs and l f -14 two intermediate mullion members, which are preferably spaced an equal distance from each jamb and from each othe. Each mullion 1 f includes inner and outer spaced bars 2? 24E defining a space or passageway between them. Between said mullions is mounted a stationary sash 29 and mounted in the frame between each mullion and jamb are the swinging window sash 15 and 1 respectively.

In the space or passageway between the inner and outer bars of each mullion I provide louvres 26. As shown in this instance the louvre plates are arranged singly instead of in pairs and are inclined upwardly and inwardly, from that side or end of the passageway adjacent the swinging sash toward that side of passageadjacent the fixed sash. Tie top edge of each louvre plate is curled over to provide a hook flange 28 to catch such dust as may try to enter. Thus when one sash is opened into that position wherein its free edge engages the edge of the inner bar of the associated mullion, said passageway is connected at one side or end with the outside atmosphere and is connected at its other side or end with the inside of the room. Thus an indraft of air from the outside or an outdraft of air from the inside of the room established, depending upon the direction in which the wind is blowing.

The many advantages of my invention will be apparent to those familiar'with the art. A maximum of ventilation is provided without a full opening of the sash and this ventilation is indirect, as it does not blow horizontally into and across the room but it is deflected upwardly toward the ceiling plane below that of of the room. Thus curtains used in connection with the window cannot become soiled or rainsoaked when the sash has been swung inwardly to provide for the ventilation, as before described.

The sash may be easily cleaned on both sides from the inside of the room and this without removing such screens as may be used in connection with the window.

Nothing objectionable is presented to the observer from the inside of the room to detract from the appearance thereof, so that the full casement effect which is so desirable, is fully maintained.

The construction is readily adaptable for window hardware, such as locks, handles and the like, and the windows may be easily weather-stripped to make them air and rain tight when fully closed.

While in describing my invention I have referred to certain details of mechanical construction and arrangement of parts, I do not wish to be limited thereto except as may be pointed out in the appended claims.

I I claim as my invention 1. In combination with a window frame 7 including upright frame members, one of said frame members being constructed to provide a ventilation passageway therethrough, and a window sash mounted on a vertical axis for a swinging movement in the frame to open or close one end of said passageway with respect to one side of said frame.

2. In combination with a window frame including upright frame members, one of said frame members being constructed to provide a ventilation passageway therethrough, louvres in said passageway and a window sash mounted on a vertical axis for a swinging movement in the frame to open or close one end of said passageway with respect to one side of said frame.

3. In combination with a window frame including upright frame members, one of said frame members being constructed to provide a venti ation passageway there through, and a window sash pivoted at one margin to swing about a vertical axis adjacent another frame member, so that the other margin of said sash may open or close one end of said passageway with respect to one side of said frame. 7

i. In combination with a window frame having upright side members and an upright intermediate 'member, said intermediate member including inner and outer spaced bars forming a passageway, louvres supported between said bars in saidpassageway, and a window sash pivoted at one margin on a vertical axis adjacent one of sa1d upright side members, the other mar in of said sash being adapted, when the sash is swung about its pivot, to engage one or the other of said bars to open or close the passageway with respect to one side of said apart, to provide a restricted opening be- 10 sash. tween said bottom edges.

5. In a window frame, the combination of In testimony that I claim the foregoing as inner and outer bars, and louvres supported my invention, I aifix my signature in the between said bars in pairs, each pair includpresence of a witness, this 29th day of ing opposed inclined plates the top edges of March, A. D. 1922. which are curled to provide inwardly fac- JOSEPH SYLVAN. ing flanges, the bottom edges of the plates Witness: of each pair being spaced a short distance T. H. ALFREDs. 

